diff options
Diffstat (limited to 'src/backenddb/pg_select_otp.c')
-rw-r--r-- | src/backenddb/pg_select_otp.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/backenddb/pg_select_otp.c b/src/backenddb/pg_select_otp.c new file mode 100644 index 00000000..f105488a --- /dev/null +++ b/src/backenddb/pg_select_otp.c @@ -0,0 +1,91 @@ +/* + This file is part of TALER + Copyright (C) 2022 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ +/** + * @file backenddb/pg_select_otp.c + * @brief Implementation of the select_otp function for Postgres + * @author Christian Grothoff + */ +#include "platform.h" +#include <taler/taler_error_codes.h> +#include <taler/taler_dbevents.h> +#include <taler/taler_pq_lib.h> +#include "pg_select_otp.h" +#include "pg_helper.h" + + +enum GNUNET_DB_QueryStatus +TMH_PG_select_otp (void *cls, + const char *instance_id, + const char *otp_id, + struct TALER_MERCHANTDB_OtpDeviceDetails *td) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_string (instance_id), + GNUNET_PQ_query_param_string (otp_id), + GNUNET_PQ_query_param_end + }; + + PREPARE (pg, + "select_otp", + "SELECT" + " otp_description" + ",otp_ctr" + ",otp_key" + ",otp_algorithm" + " FROM merchant_otp_devices" + " JOIN merchant_instances" + " USING (merchant_serial)" + " WHERE merchant_instances.merchant_id=$1" + " AND merchant_otp_devices.otp_id=$2"); + if (NULL == td) + { + struct GNUNET_PQ_ResultSpec rs_null[] = { + GNUNET_PQ_result_spec_end + }; + + check_connection (pg); + return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "select_otp", + params, + rs_null); + } + else + { + uint32_t pos32; + struct GNUNET_PQ_ResultSpec rs[] = { + GNUNET_PQ_result_spec_string ("otp_description", + &td->otp_description), + GNUNET_PQ_result_spec_uint64 ("otp_ctr", + &td->otp_ctr), + GNUNET_PQ_result_spec_string ("otp_key", + &td->otp_key), + GNUNET_PQ_result_spec_uint32 ("otp_algorithm", + &pos32), + GNUNET_PQ_result_spec_end + }; + enum GNUNET_DB_QueryStatus qs; + + check_connection (pg); + qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "select_otp", + params, + rs); + td->otp_algorithm = (enum TALER_MerchantConfirmationAlgorithm) pos32; + return qs; + } +} + |